《Language in use》Great inventions PPT课件下载

外研版九年级英语上册《Language in use》Great inventions PPT课件下载，共43页。

Learning goals

通过本课的学习，学生能够：

①总结和巩固一般将来时的被动语态的用法。

②能够正确使用被动语态对发明物的信息进行讨论。

③复习并熟练运用本单元的重点单词和短语。

Language practice

Observe the following sentences carefully. And pay attention to the words in red.

1. They ’ll be put up on the school website.

2. Will computers be used more than books in the future?

3. Will books be replaced by the Internet?

各类句式

肯定句形式：

主语+ will/be (am/is/are) going to+be+done

否定句形式：

主语+ will not/be (am/is/are) not going to + be +done

一般疑问句形式：

Will+主语+be+done?

Be (am/is/are) +主语+going to+be done?

特殊疑问句形式：

特殊疑问词+will+主语+be+done?

特殊疑问词+be (am/is/are) +主语+going to+be done?

Sample

A new floor will be built.

New furniture/desks/chairs will be bought.

A new blackboard will be bought.

A new interactive whiteboard will be bought.

The windows and the door will be changed.

The color of the walls will be changed.

Listen again and read.

After printing was invented, knowledge was spread around the world by books. For many years, books were very expensive. Each one was written by hand, so very few books were produced. Today, books are produced quickly. They ’re light, cheap and easy to get hold of.

But the early books are now too valuable to be picked up and held in the hand, so here in the British Library, they were copied onto a computer a few years ago. Have a look at the screen here. You can turn the pages on the screen, without touching the real books.

Discussing inventions

Think of an invention that has changed your life.

Make notes about the invention:

1.What is it?

2.Why is it useful?

Research how the invention has been developed and make notes about what you find out.

Summary

1.Grammar:总结并巩固一般将来时的被动语态。

2.介绍电子书这个发明的历史和优缺点。